20058913 has 4 divisors (see below), whose sum is σ = 22924480. Its totient is φ = 17193348.

The previous prime is 20058911. The next prime is 20058937. The reversal of 20058913 is 31985002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20058913 - 2¹ = 20058911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20058911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432773 + ... + 1432786.

It is an arithmetic number, because the mean of its divisors is an integer number (5731120).

Almost surely, 2^20058913 is an apocalyptic number.

It is an amenable number.

20058913 is a deficient number, since it is larger than the sum of its proper divisors (2865567).

20058913 is an equidigital number, since it uses as much as digits as its factorization.

20058913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865566.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 20058913 is about 4478.7177852595. The cubic root of 20058913 is about 271.7080245330.

The spelling of 20058913 in words is "twenty million, fifty-eight thousand, nine hundred thirteen".